(1) Each company must have an annual audit by an independent certified public accountant, authorized by the commissioner, and must file the audited financial report with the commissioner within 180 days of the company's fiscal year end.

(2) The annual audit report is considered part of the company's annual report of financial condition, except with respect to the date by which it must be filed with the commissioner.

(3) The annual audit must contain the following information:

(a) opinion of the independent certified public accountant;

(b) report of evaluation of internal controls;

(c) the accountant's letter of qualifications;

(d) financial statements; and

(e) certification of loss reserves and loss expense reserves by an actuary approved by the commissioner.